Q.1
##### What is the principle of particle size distribution?
• a) Based on light scattering
• b) Based on the pressure exerted by particles
• c) Based on the pressure exerted by equipment
• d) Based on the temperature exerted by particles
Q.2
##### What is Kick’s law?
• a) Amount of energy required to tear the given material
• b) Amount of energy required to crush the given material
• c) Amount of energy required to compress the given material
• d) Amount of energy required to break the given material
Q.3
##### What is Rittinger’s law?
• a) Energy required is directly proportional to the increase in surface area
• b) Energy required is indirectly proportional to the increase in surface area
• c) Pressure required is directly proportional to the increase in surface area
• d) Pressure required is indirectly proportional to the increase in surface area
Q.4
##### What is Bond’s law?
• a) Work required is directly proportional to the surface to volume ratio
• b) Work required is indirectly proportional to the surface to volume ratio
• c) Energy required is directly proportional to the surface to volume ratio
• d) Energy required is directly proportional to the surface to volume ratio
Q.5
##### Which of the following statements about crushing efficiency are correct?
• a) True, False
• b) True, True
• c) False, True
• d) False, False
Q.6
##### Which of the following law determine energy requirement in size reduction?
• a) Kick’s law, Bond’s law
• b) Rittinger’s law, Bond’s law
• c) Rittinger’s law and Kick’s law
• d) Kick’s law, Bond’s law, Rittinger’s law
Q.7
##### Which of the law is used for coarse grinding?
• a) Rittinger’s Law
• b) Kick’s Law
• c) Bond’s Law
• d) Bond’s Law, Rittinger’s Law, and Kick’s Law
Q.8
##### Which of the law is used for fine grinding?
• a) Rittinger’s Law
• b) Kick’s Law
• c) Bond’s Law
• d) Bond’s Law, Rittinger’s Law, and Kick’s Law
Q.9
##### Which of the law is used for intermediate grinding?
• a) Rittinger’s Law
• b) Kick’s Law
• c) Bond’s Law
• d) Bond’s Law, Rittinger’s Law, and Kick’s Law
Q.10
• a) True
• b) False